- KBW STEEL LTDDisolved- SC684448 - Dissolved on 9 August 2022 
- AE STEEL CO LTD- 13356528 - Incorporated on 26 April 2021 
- MC STEELE LTDDisolved- 13915979 - Dissolved on 15 August 2023 
- NEW STEEL LTDDisolved- 14362945 - Dissolved on 20 February 2024 
- STEELZY LTDDisolved- 14434424 - Dissolved on 26 March 2024 
- HER STEEL LTD- 13022352 - Incorporated on 16 November 2020 
- STEELUX LTD- 15637516 - Incorporated on 11 April 2024 
- T STEELE TM LTD- 16092730 - Incorporated on 21 November 2024 
- HBS STEEL LTD- 16278578 - Incorporated on 26 February 2025 
- STEELIX LTD- 16566166 - Incorporated on 7 July 2025 
- 1OFF-STRUCTURES LTDActive - Proposal to Strike off- 08313458 - Incorporated on 29 November 2012 
- REYNARD & STEEL- SL000486 - Incorporated on 8 September 1982 
- ICE STEEL LTD- 07073460 - Incorporated on 12 November 2009 
- RK STEELS LTDActive - Proposal to Strike off- 07194566 - Incorporated on 18 March 2010 
- ACE STEEL LLPDissolved- OC347120 - Dissolved on 1 November 2011 
- AMI STEEL LLPActive - Proposal to Strike off- OC367490 - Incorporated on 22 August 2011 
- STEEL GYM LTDActive - Proposal to Strike off- 07546315 - Incorporated on 1 March 2011 
- STEEL TEQ LTD- 04588516 - Incorporated on 12 November 2002 
- FCC STEEL LLPActive - Proposal to Strike off- OC391855 - Incorporated on 10 March 2014 
- NA STEELS LTDActive - Proposal to Strike off- 11384107 - Incorporated on 25 May 2018